Some valves are harder or easier than others to rotate, so we offer three universal actuator models with different speed/torque specs. Consult the tables below to determine which model is appropriate for the valve you wish to actuate.
Two position valves
| Valco | Fitting size | Valve type | Actuator model | |
|---|---|---|---|---|
| Standard | Modular | |||
| Valves for GC | 1/32" | W | EUH | UMH |
| 1/16" | W | EUH | UMH | |
| 1/16" | UW | EUD | UMD | |
| 1/8" | UW | EUD | UMD | |
| 1/4" | MW | EUT | UMT | |
| Valves for HPLC | All | All | EUD | UMD |
| Cheminert | Number of ports | Actuator model | |
|---|---|---|---|
| Standard | Modular | ||
| Valves for LC and HPLC |
All | EUH | UMH |
| Valves for UHPLC |
4 and 6, 10K or 15K psi | EUH | UMH |
| 4 and 6, 20K psi | EUD | UMD | |
| 8 and 10 | EUD | UMD | |
Selectors
| Valve type | Valve model | Number of positions | Actuator model | |
|---|---|---|---|---|
| Standard | Modular | |||
| Valco selectors | All | All | EMT | UMT |
| Cheminert selectors for HPLC |
C5 | 4 and 6 | EUH | UMH |
| 8 and 10 | EUD | UMD | ||
| Cheminert selectors for UHPLC |
C75 | 4 and 6, 10K or 15K psi | EUH | UMH |
| 4 and 6, 20K psi | EUD | UMD | ||
| 8 and 10 | EUD | UMD | ||
| Cheminert low pressure |
C25Z | All | EUH | UMH |
| C25 | All | EUH | UMH | |
| C35Z | All | EUD | UMD | |
| C45 | All | EUT | UMT | |
